Mature woman teaches her friend how to suck properly

«A mature couple decides to have sex. She, passionately squeezing his balls with her hands, makes him a nice suction with her lips experienced in this matter. Then, calling to them, another chick, very slender and completely inexperienced, she teaches her how to properly do blowjob. The young woman tries, but her teacher is not happy with her, and again shows as an example how to handle a male phallus.»